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Two 10-second clips have been posted online by the Twitter account named @bouncing2016 which has already gained over 4,000 followers.

The brief clips show an attentive Boxer dog nodding his head up and down as he watches a little girl jump around for joy on her living room sofa and on a space hopper in her snowy garden.

With the hashtag #bouncebounce trending on Twitter, the covert released clips appear to be a cheeky sneak peak of the eagerly anticipated adverts.

John Lewis have no commented on the new footage, but speculation is rife online that the bouncing pig-tailed girl and her pet Boxer are this year's festive stars.

It has already been revealed on November 6 that British electronic group Vaults would be providing the musical backing to the advert with a version of Randy Crawford's 1980 jazz hit One Day I'll Fly Away.

Vaults are yet to release a full album since being signed to Virgin EMI in 2014, having only released two EPs so far.

Earlier this month, a teenager briefly fooled the internet into thinking the John Lewis advert had prematurely arrived by releasing his own spoof ad called 'The Snowglobe'.

The video, of a lovelorn lonely snowman, won Bournemouth student Nick Jabolonka a job offer from W Communications - PR Week's agency of the year.

2014's advert told the story of the friendship between Sam and Monty the penguin (Image: John Lewis/PA Wire)